Dewalt Air Compressor Manual D55146

The Dewalt D55146 is a portable air compressor designed for both professional and DIY use. It features a 4.5-gallon tank, a powerful 1.6 HP motor, and a maximum pressure of 200 PSI. This air compressor is ideal for a variety of applications including powering pneumatic tools, inflating tires, and more. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating the Compressor 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: 4.5-gallon tank, 1.6 HP motor, maximum pressure of 200 PSI, dual couplers for multiple tool use.

Feature	Description
4.5-gallon tank	Provides ample air storage for extended use
1.6 HP motor	Delivers high performance for various applications
Maximum pressure 200 PSI	Allows for efficient operation of pneumatic tools
Dual couplers	Enables simultaneous use of two tools
Portable design	Easy to transport to job sites

Installation

Unpack and inspect contents. Place the compressor on a stable surface.

Connect the air hose: Ensure it is securely attached to the compressor outlet.
Plug into a power source: Use a grounded outlet to prevent electrical hazards.
Check oil levels: Ensure the compressor is properly lubricated before use.

WARNING! Always follow safety precautions when handling the compressor.

First-Time Setup

Power on the compressor; follow the setup instructions provided in the manual.

Set the pressure regulator: Adjust to the desired PSI for your application.
Test the compressor: Run it briefly to ensure proper operation.

CAUTION! Ensure all connections are secure before operating.

Specifications

Tank Size: 4.5 gallons.
Motor Power: 1.6 HP.
Maximum Pressure: 200 PSI.
Weight: 60 lbs.
Dimensions: 18 x 18 x 18 inches.
Noise Level: 75 dB.
Power Source: 120V AC.

Controls and Settings

Access the pressure regulator and on/off switch located on the front panel. Ensure to adjust the pressure settings according to the tool requirements.

Connecting Devices

Connect pneumatic tools using the air hose and couplers.

Turn off the compressor before connecting tools.
Ensure the hose is securely attached to both the compressor and the tool.

Tip: Always check for leaks after connecting devices.

Operating the Compressor

Follow the steps to operate the compressor safely and effectively.

Turn on the compressor using the power switch.
Adjust the pressure regulator to the desired level.
Use the connected tool as needed.

WARNING! Do not exceed the maximum pressure rating.

Maintenance

Regular maintenance is essential for optimal performance.

Check oil levels regularly and replace as needed.
Drain the tank after each use to prevent moisture buildup.
Inspect hoses and connections for wear and tear.

Safety Information

Always wear appropriate safety gear when operating the compressor. Follow all safety guidelines to prevent accidents.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power supply issue	Check power cord and outlet.
Low pressure	Leak in hose	Inspect and replace damaged hoses.
Excessive noise	Loose parts	Tighten all screws and bolts.
Overheating	Blocked air intake	Clear any obstructions from air intake.

Reset: Unplug and plug back in to reset the compressor.